Four special routes of U.S. Route 521 exist, and two others have existed in the past. In order from south to north they are as follows. U.S. Route 521 Business...

U.S. Route 521 (US 521) is a north–south United States Highway that traverses 177.3 miles (285.3 km), from Georgetown, South Carolina, to Charlotte, North...

Several special routes of U.S. Route 1 (US 1) exist, from Florida to Maine. In order from south to north, separated by type, these special routes are as...

A total of at least seven special routes of U.S. Route 301 exist and at least eleven have been deleted. U.S. Route 301 Alternate (US 301 Alt.) is a 6.5-mile-long...

Several special routes of U.S. Route 15 (US 15) exist. In order from south to north, they are as follows. U.S. Highway 15 Alternate (US 15 Alt.) in South...

Several special routes of U.S. Route 54 exist, from Texas to Missouri. In order from southwest to northeast, separated by type, they are as follows. U.S. Route...

U.S. Route 301 (US 301) is a spur of U.S. Route 1 running through the South Atlantic states. It runs 1,099 miles (1,769 km) from Biddles Corner, Delaware...

part of the original routing of US 601. Today, most of its path is part of US 52. United States portal U.S. roads portal Special routes of U.S. Route 601...

U.S. Route 501 (US 501) is a spur of U.S. Route 1. It runs 355 miles (571 km) from Buena Vista, Virginia at U.S. Route 60 to Myrtle Beach, South Carolina...

of at least five special routes of U.S. Route 601 have existed, one of which has been deleted. U.S. Route 601 Truck (US 601 Truck) is a truck route to...

U.S. Route 1 or U.S. Highway 1 (US 1) is a major north–south United States Numbered Highway that serves the East Coast of the United States. It runs 2...

North Carolina) Auxiliary routes of US 21: U.S. Route 121 U.S. Route 221 U.S. Route 321 U.S. Route 421 U.S. Route 521 U.S. roads portal United States...

over routes which have been identified as being more suitable than others for cycling." The first routes were defined in 1982: U.S. Bicycle Route 1 (USBR...

U.S. Route 701 (US 701) is an auxiliary route of US 1 in the U.S. states of South Carolina and North Carolina. The U.S. Highway runs 171.45 miles (275...

U.S. Route 189 is a spur of U.S. Route 89. It currently runs for 322 miles (518 km) from Provo, Utah at Interstate 15 to Jackson, Wyoming. The highway...

U.S. Route 206 (US 206) is a 130.2-mile-long (209.5 km) north–south U.S. highway in New Jersey and Pennsylvania, United States. Only about a 1⁄2 mile...

U.S. Route 401 (US 401) is a north–south United States highway, a spur of U.S. Route 1, that travels along the Fall Line from Sumter, South Carolina to...

Special routes of U.S. Route 76 U.S. Route 176 - runs from U.S. Route 25 Business/North Carolina Highway 225 in Hendersonville, North Carolina to U.S...

U.S. Route 15 or U.S. Highway 15 (US 15) is a 791.71-mile-long (1,274.13 km) United States Numbered Highway, serving the states of South Carolina, North...

U.S. Route 17 or U.S. Highway 17 (US 17), also known as the Coastal Highway, is a north–south United States Numbered Highway that spans in the Southeastern...

of U.S. Route 25. However, the two routes have never connected. The southern terminus of US 425 is at a signalized intersection with US 61 and US 84 in...

U.S. Route 222 (US 222) is a U.S. Highway that is a spur of US 22 in the states of Maryland and Pennsylvania. It runs for 95 miles (153 km) from US 1...

U.S. Route 378 (US 378) is a spur of US 78 in the U.S. states of Georgia and South Carolina. The U.S. Highway runs 234.30 miles (377.07 km) from US 78...

U.S. Highway 151 (US 151) is a United States Numbered Highway that runs through the states of Iowa and Wisconsin. The southern terminus for US 151 is at...

U.S. Route 52 (US 52) is a major United States highway in the central United States that extends from the northern to southeastern region of the United...

highway. Special routes are distinguished from main routes by, in most cases, the addition of an auxiliary plate that describes what type of route it is...

north-northwest. South Carolina portal U.S. roads portal Special routes of U.S. Route 17 South Carolina Department of Transportation. "Highway Logmile Report"...

U.S. Route 199 (US 199) is a U.S. Highway in the states of California and Oregon. The highway was established in 1926 as a spur of US 99, which has since...

U.S. Route 522 (US 522) is a spur route of US 22 in the states of Virginia, West Virginia, Maryland, and Pennsylvania. The U.S. Highway travels in a north-south...

U.S. Route 77 (US-77) is a part of the U.S. Highway System that runs from the Veteran's International Bridge in Brownsville, Texas north to Interstate...